Home / 54,633.53-81,956.64-19,083.85

Finding the Fourth Proportional to 54,633.53, 81,956.64 and 19,083.85

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Solution

The fourth proportional to 54,633.53, 81,956.64 and 19,083.85 is: 28,627.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633.53 : 81,956.64 = 19,083.85 : x
  2. Step 2: Convert to fraction form
    54,633.53/81,956.64 = 19,083.85/x
  3. Step 3: Cross multiply
    54,633.53x = 81,956.64 × 19,083.85
  4. Step 4: Simplify right side
    54,633.53x = 1,564,048,224.26
  5. Step 5: Solve for x
    x = 1,564,048,224.26/54,633.53
  6. Step 6: Final answer
    x = 28,627.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.